Opinion on a guy’s action?

We know each other since 1 year we were work colleagues he was superior than me. we both knew we had feelings for each other but when I asked him out he just try to blew the topic after that I never asked. Later a year after I left the company we were still in contact and I was trying to avoid him as I knew it would just destroy your mental peace. Recently from no where he was on my mind whole day later morning I got a text from him saying that’s really unusual but I was thinking about you yesterday. Plus he expressed him self by taunting me for not response his last text for weeks. And I was blank I knew we were connected from the day we met but I thought he don’t want things to grow. And now I don’t know what to do! Is he really into me? Or it’s just I don't know
Opinion on a guy’s action?
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